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Anybody know what relay does what?

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Old Aug 23, 2001 | 09:44 PM
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MATEOZ28's Avatar
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From: Fresno, CA, USA
Anybody know what relay does what?

I bought a new relay from napa for my fans but in my 1991 Z28 I have 3 on the drivers side firewall. 1 is for the fuel pump right? 1 is for the fan right? what is the other for? I have both haynes and chiltons manuals but OMG these books REEEEEEALY SUCK! There are no pictures and one of them actually say's there is no knock sensor in my car. Anyway can somebody post a pic and tel which on is what? Thanks
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Old Aug 23, 2001 | 09:49 PM
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Mateo,

Fuel pump, MAF power, and MAF burnoff control. There is a fourth relay nearby if you have driving lamps. The Firebird/TA relay layout is like this:



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[This message has been edited by Vader (edited August 23, 2001).]
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Old Aug 23, 2001 | 09:55 PM
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I was hoping you would post that pic, Where is the fan relay for my car? Thats what I really wanted to ask but tried doing a search and had no luck. Thanks

[This message has been edited by MATEOZ28 (edited August 23, 2001).]
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Old Aug 24, 2001 | 02:45 AM
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Help?
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Old Aug 24, 2001 | 03:29 AM
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Im not 100% sure, but I think it may be next to the radiator on the passenger side. Probably above the battery.
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Old Aug 24, 2001 | 06:48 AM
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From: New Port Richey, Florida, USA
Car: 1989 Pontiac GTA Hardtop.
Engine: ZZ4 - 350
Transmission: Garbage
I just posted a post like this. If you scroll down a little you will find it. I believe you fan relay or (Relays-Depending on if you have dual or singe fans) are near your battery.
Later
Mike

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Check out My Car Pics http://albums.photo.epson.com/j/Albu...667&a=13599419

Gran Turismo Americano "The Ultimate Firebird"
Smokin 1989 GTA- Bone stock except for exhaust. (no catalytic-stainless pipe into Flowmaster 2 chamber) & AC Delco Rapid Fire Plugs
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Old Aug 24, 2001 | 11:03 AM
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From: San Antonio, TX
Car: 1988 IROC-Z
Engine: L98 (350 TPI)
Transmission: MD8 (700 R4) + 3.42 LS1 Rear
rezinn is correct. the relay next to the battery is for the auxiliary fan. The relay next to the radiator on the passenger side is for the primary fan. This is for dual fans. For single fans the relay next to radiator is the only fan relay you have. Good luck.

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88' IROC-Z, 350 TPI, 700-R4
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